file contains information regarding the known Bluetooth hosts.
For each Bluetooth host a single line should be present with the
official host name
Items are separated by any number of blanks and/or tab characters.
indicates the beginning of a comment; characters up to the end of the line are
not interpreted by routines which search the file.
Bluetooth addresses are specified as six hex bytes separated by columns
Host names may contain any printable character other than a field
delimiter, newline, or comment character.